Procedure; Perform Factory Reset - SystemAir VTR 100/B LITE Installation And Service

5.2.1

Procedure

1. Turn the SELECTION knob to choose language and press ENTER
2. Choose unit type, this choice is only present if a new print card is installed
(spare part) or when a factory reset is performed.
3. Set date and time
4. Select heater: None/Electrical/Water/Other
Note:
This choice is available only after a factory reset, see chapter 5.2.2, or
when a new print card is installed.
Pre-heater is only available for VTC200.
5. Fan control.
Turn the SELECTION knob to select the type of fan control you prefer, System
curve (l/s) or percentage(%) and press ENTER.
Commission by %, see step 7.
Note:
System curves are not selectable when (%) is chosen.
Note:
Before setting the system curve, see chapter 5.3 for details.
This function is implemented in the unit to compensate the flow values for
different system pressures.
Supply Fan (SF): Total value range: 1–10.
Default curve: 4
Extract Fan (EF): Value range: 1–10
Default curve: 4
Note:
The factory installed filters are of filter quality G3/Coarse 50% for the
supply air and G3/Coarse 50% for the extract air filter. Air filters are
accessories and can be obtained from the installer or wholesaler.
The filter type is labelled on the top of the filter.
6. Here it is possible to change the Nominal/High/Low airflow on the Extract air
fan (EF) and Supply air fan (SF). Airflow in l/s.
When settings are done, press ENTER.
7. Here it is possible to change the Nominal/High/Low airflow on the Extract air
fan (EF) and Supply air fan (SF). Airflow in %. System curves not selectable.
When settings are done, press ENTER.
5.2.2

Perform Factory reset

How to perform a factory reset if necessary:
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Commissioning |
Languages
Language ENGLISH
Type
VTR 100/B LITE
Time/Date YY/MM/DD
Date: 12/09/12
Time: 10:00
Weekday: Sat
Heater
Pre-heater: YES/NO
Reheater: None/Electrical/Water/
Other
Fan control, Airflow
System curve
EF: 1–10
SF: 1–10
Airflow l/s
EF
Nom 26
High 39
Low 14
EF
Airflow %
Nom 66
High 100
Low 33
23
SF
26
39
14
SF
66
100
33